Ratzel, Friedrich

▪ German geographer
born , Aug. 30, 1844, Karlsruhe, Baden
died Aug. 9, 1904, Ammerland, Ger.
 German geographer and ethnographer and a principal influence in the modern development of both disciplines. He originated the concept of Lebensraum, or “living space,” which relates human groups to the spatial units where they develop. Though Ratzel pointed out the propensity of a state to expand or contract its boundaries according to rational capabilities, the subsequent misuse of the Lebensraum concept by the Nazi regime in Germany was largely based on the interpretation of Ratzel's concept by the Swedish political scientist Rudolf Kjellén.

      Ratzel studied zoology and in 1869 published a commentary on the work of Darwin. He subsequently became familiar with theories relating to the migration of species. His extended tour of North and Central America (1874–75) as a correspondent for the Kölnische Zeitung (“Cologne Journal”) made a profound impression on him and provided a basis for many of his ideas. For the rest of his life he taught at the technical university of Munich (1875–86) and at the University of Leipzig (1886–1904).

      Ratzel's chief interests lay in human migration, cultural borrowing, and the relation between man and the many factors of his physical environment. Though influenced by the evolutionary theories of Darwin and of the German zoologist Ernst Heinrich Haeckel, Ratzel became critical of the mechanistic quality of their views. Philosophy, rather than biology, came to dominate his later thought.

      His principal work on ethnography was Völkerkunde, 3 vol. (1885–88; The History of Mankind, 1896–98). In Anthropogeographie (vol. 1, 1882, and vol. 2, 1891) he considered population distribution, its relation to migration and environment, and also the effects of environment on individuals and societies. His other works included Die Erde und das Leben: Eine vergleichende Erdkunde (1901–02; “Earth and Life: A Comparative Geography”), Politische Geographie (1897; “Political-Geography”), and a political-geographical study of the United States (1893). His essay “Lebensraum” (1901), often cited as a starting point in geopolitics, was a study in biogeography.

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Universalium. 2010.

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